2-(Chloromethyl)-5-(difluoromethyl)-6-methyl-3-(trifluoromethyl)pyridine
3-(Bromomethyl)-4-(difluoromethyl)-5-methyl-2-(trifluoromethyl)pyridine
6-(Chloromethyl)-3-(difluoromethyl)-4-methyl-2-(trifluoromethyl)pyridine
3-(Bromomethyl)-4-(difluoromethyl)-2-methyl-5-(trifluoromethyl)pyridine